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要約 目的:デスメ膜小穿孔を用いた濾過手術の成績の報告。対象と方法:薬物治療で眼圧が22mmHg以上の原発開放隅角緑内障または落屑緑内障65眼を対象とし,デスメ膜小穿孔を用いた濾過手術を行い12か月の経過を観察した。結果:術前の眼圧は平均28.1±5.9mmHgであった。術後3,6,12か月後の眼圧は,それぞれ11.9±2.5mmHg,12.1±2.9mmHg,12.7±3.2mmHgであり,いずれも術前値よりも有意に下降していた(いずれもp<0.0001)。手術から12か月後の無投薬の状態で,61眼(93%)が20mmHg以下,57眼(86%)が16mmHg以下の眼圧であった。合併症として,低眼圧が2眼(3%),浅前房が2眼(3%),脈絡膜剝離が1眼(2%),前房出血が4眼(6%)にあった。結論:デスメ膜小穿孔を用いた濾過手術で,眼圧が有意に下降した。合併症は低頻度であった。
Abstract. Purpose:To report the outcome of filtering surgery through microincision in Descemet membrane. Cases and Method:This study was made on 65 eyes of primary open-angle glaucoma or capsular glaucoma. All the eyes had intraocular pressure(IOP)of 22mmHg or over under medication. They were followed up for 12 months after surgery. Results:IOP before surgery averaged 28.1±5.9mmHg. It averaged 11.9±2.5mmHg 3 months, 12.1±2.9mmHg 6 months, and 12.7±3.2mmHg 12 months after surgery. Each value was significantly lower than the presurgical one(p<0.0001 each). Twelve months after surgery, IOP was 20mmHg or less under medication in 61 eyes(93%)and was 16mmHg or less in 57 eyes(86%). Complications included ocular hypotony 2 eyes(3%), shallow anterior chamber 2 eyes(3%), choroidal detachment 1 eye(2%), and hyposphagma 4 eyes(6%). Conclusion:Filtering surgery through microincision in Descemet membrane induced significant IOP reduction. The procedure showed low incidence of complications.
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